ESXi 5.0 < Build 608089 Multiple Vulnerabilities (remote check)

This script is (C) 2013-2016 Tenable Network Security, Inc.


Synopsis :

The remote VMware ESXi 5.0 host is affected by multiple
vulnerabilities.

Description :

The remote VMware ESXi 5.0 host is affected by multiple
vulnerabilities :

- A denial of service vulnerability exists in the
big2_toUtf8() function in file lib/xmltok.c in the
libexpat library. A remote attacker can exploit this,
via an XML document having malformed UTF-8 sequences, to
cause a buffer over-read, thus crashing the application.
(CVE-2009-3560)

- A denial of service vulnerability exists in the
updatePosition() function in file lib/xmltok.c in the
libexpat library. A remote attacker can exploit this,
via an XML document having malformed UTF-8 sequences, to
cause a buffer over-read, thus crashing the application.
(CVE-2009-3720)

- An integer overflow condition exists in the
BZ2_decompress() function in file decompress.c in the
bzip2 and libbzip2 library. A remote attacker can
exploit this, via a crafted compressed file, to cause
a denial of service or the execution of arbitrary code.
(CVE-2010-0405)

- A denial of service vulnerability exists in the audioop
module due to multiple integer overflows conditions in
file audioop.c. A remote attacker can exploit this, via
a large fragment or argument, to cause a buffer
overflow, resulting in an application crash.
(CVE-2010-1634)

- A denial of service vulnerability exists in the audioop
module due to a failure to verify the relationships
between size arguments and byte string length. A remote
attacker can exploit this, via crafted arguments, to
cause memory corruption, resulting in an application
crash. (CVE-2010-2089)

- A flaw exists in the urllib and urllib2 modules due to
processing Location headers that specify redirection to
a file. A remote attacker can exploit this, via a
crafted URL, to gain sensitive information or cause a
denial of service. (CVE-2011-1521)

- A privilege escalation vulnerability exists due to an
incorrect ACL being used for the VMware Tools folder. An
attacker on an adjacent network with access to a guest
operating system can exploit this to gain elevated
privileges on the guest operating system.
(CVE-2012-1518)

See also :

http://kb.vmware.com/kb/2011432
http://www.vmware.com/security/advisories/VMSA-2012-0001.html
http://www.vmware.com/security/advisories/VMSA-2012-0005.html
http://www.vmware.com/security/advisories/VMSA-2012-0007.html
http://kb.vmware.com/kb/2010823
http://kb.vmware.com/kb/2011433

Solution :

Apply patches ESXi500-201203102-SG and ESXi500-201203101-SG according
to the vendor advisory.

Risk factor :

High / CVSS Base Score : 8.3
(CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.5
(CVSS2#E:POC/RL:OF/RC:C)
Public Exploit Available : true

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